police taking 19-year-old jahar tsarnaev into custody. the first burst of gunfire heard in the neighborhood. >> holly, holly. -- holy, holy. >> soon after, neighbors seeing and hearing a round of flash blasts. then word the suspect was hiding in a boat outside of a town home. >>> a call came in to the watertown police. three boston police officers with state troopers and fbi agents responded to franklin street. a man had gone out of his house after being inside of the house all day, abiding by our request to stay inside. he walked outside and saw blood on a boat in the backyard. he then opened the tarp on the top of the boat and looked in and saw a man covered with blood. he retreated and called us. we set up a perimeter around that boat and over the next hour or so, we exchange gunfire with the expect and the hostage rescue team removed the suspect of whom was still alive in the boat. we want to take suspects alive. >> i understand that. >> can you talk about -- . >> we want to take someone alive so we can find out what happened and hold